49ers vs. Seahawks Week 5 Odds & PredictionsThe Seahawks are a 58% favorite at home against the 49ers
San Francisco 49ers at Seattle Seahawks, Sunday, Oct 11, 4:25 PM ET. Prediction markets give the Seahawks a 58% chance to win (−137) and the 49ers 42% (+136). Kalshi, Polymarket US and Polymarket agree within a point. Kalshi's lines make it Seahawks −2.5, with 46.5 total points. The Seahawks are down 4 points this week on Kalshi. $75K has traded on the game in the last 24 hours.
About 3 in 5 (−137)
Prices to buy now. $100 on Polymarket US at the ask pays $173 if correct, before fees.
About 2 in 5 (+136)
Prices to buy now. $100 on Polymarket US at the ask pays $233 if correct, before fees.
Kalshi's lines closest to a coin flip
Best price to buy
Fees included- Kalshi7% fee · bid 58¢60.7¢59¢ + fee$165per $100
- Polymarket USBest price6.95% fee · bid 57.3¢59.2¢57.5¢ + fee$169per $100
- PolymarketOutside US5% fee · bid 57¢59.2¢58¢ + fee$169per $100
Ranked by price with each venue’s taker fee on one contract. Polymarket’s international site isn’t open to US traders, so it’s never marked best.
Markets’ projected final
From the spread & totalThe Seahawks by 2.8 with 47 total points: the lines Kalshi’s spread and total markets price at even odds. Before the game: SEA -3, total 47.5.
49ers vs. Seahawks moneyline odds
Prices to buy each team. Tap a price to open Kalshi, Polymarket US and Polymarket.
| Team | Average | Kalshi | Polymarket US | Polymarket | Sources |
|---|---|---|---|---|---|
| Seattle SeahawksHome · −137 | 58% $100 on Polymarket US at the ask pays $173 | Kalshi59¢ | Polymarket US57.5¢ | Polymarket58¢ | |
| San Francisco 49ersAway · +136 | 42% $100 on Polymarket US at the ask pays $233 | Kalshi43¢ | Polymarket US42.8¢ | Polymarket43¢ |
Best prices to buy: Seattle at 57.5¢ on Polymarket US; San Francisco at 42.8¢ on Polymarket US. Buying both costs $1.002 for a $1 payout, so there's no arbitrage. Traded in the past 24 hours: $58K on Kalshi, $9K on Polymarket US and $7K on Polymarket.
Kalshi: OpenPolymarket US: OpenPolymarket: Open Average is the mean of each venue's price for the outcome, where it lists one: the midpoint of Kalshi's bid and ask; Polymarket US's displayed price; the midpoint of Polymarket's bid and ask. Source: Kalshi / Polymarket US / Polymarket via DeFi Rate, observed between Oct 6, 12:03 PM and 12:07 PM ET.
Over the past week on Kalshi, Seattle lost 4 points, to 59%.
Source: Kalshi daily close via DeFi Rate, Sep 29 to Oct 5 (UTC days). A day without a close is left out.
49ers vs. Seahawks spread and over/under
Kalshi and Polymarket US price a ladder of margins and totals: tap a price to buy that line. The line closest to a coin flip is tagged.
All 25 spread lines
All 19 total lines
Open Chance is the midpoint of Kalshi's bid and ask. Fair odds are that chance as American odds, before fees. Polymarket US lists one team’s spread both ways: an underdog line there is bought as No on the favorite’s line. Source: Kalshi and Polymarket US via DeFi Rate, observed between Oct 6, 11:11 AM and 12:07 PM ET.
Live at kickoff
4:25 PM- Every play, with how the price moved on it
- The win chance, play by play, against ESPN’s model
- Live best prices on each venue, fees included
- Big bets as they land, and the money behind each side
- Quarter winners and player props as they settle
This page turns live by itself at kickoff; there’s no need to refresh.
NFL Week 5 games 15 games
- Thu 8:15 PM ETTB BuccaneersDAL CowboysDAL 80%
- Sun 9:30 AM ETPHI EaglesJAC JaguarsJAC 75%
- Sun 1:00 PM ETCIN BengalsMIA DolphinsCIN 76%
- Sun 1:00 PM ETCLE BrownsNYJ JetsNYJ 55%
- Sun 1:00 PM ETHOU TexansTEN TitansHOU 74%
- Sun 1:00 PM ETIND ColtsPIT SteelersPIT 57%
- Sun 1:00 PM ETLV RaidersNE PatriotsNE 64%
- Sun 1:00 PM ETMIN VikingsNO SaintsMIN 55%
- Sun 1:00 PM ETNYG GiantsWAS CommandersWAS 62%
- Sun 4:05 PM ETDEN BroncosLAC ChargersDEN 63%
- Sun 4:25 PM ETCHI BearsGB PackersCHI 58%
- Sun 4:25 PM ETDET LionsARI CardinalsDET 69%
- Sun 4:25 PM ETThis gameSF 49ersSEA SeahawksSEA 58%
- Sun 8:20 PM ETBAL RavensATL FalconsATL 58%
- Mon 8:15 PM ETBUF BillsLAR RamsLAR 59%
Live prediction market odds for the San Francisco 49ers at the Seattle Seahawks, Sunday, Oct. 11, 4:25 p.m. ET: Kalshi, Polymarket US and Polymarket prices to win, the spread and total, player props, and where the money is going. At kickoff this page turns into the live Game Center, with the score, the plays and the odds moving with them.
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